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Finding the Fourth Proportional to 432.48, 596.16 and 383.04

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Solution

The fourth proportional to 432.48, 596.16 and 383.04 is: 528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.48 : 596.16 = 383.04 : x
  2. Step 2: Convert to fraction form
    432.48/596.16 = 383.04/x
  3. Step 3: Cross multiply
    432.48x = 596.16 × 383.04
  4. Step 4: Simplify right side
    432.48x = 228,353.13
  5. Step 5: Solve for x
    x = 228,353.13/432.48
  6. Step 6: Final answer
    x = 528.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.